In his new bookSuperficial: More Adventures from the Andy Cohen Diaries — which hits shelves Tuesday — the TV personality dished about a brief chit-chat he had with the blonde this year… and it was all about Miz Perry!

The talk show host explained he was at the 2016 Met Gala when he noticed Miz Swift looking for a place to sit so she could watch Lady GaGa perform, writing:

"Why I felt I needed to get involved I will never know (maybe I was auditioning for her squad?) but I innocently said exactly the wrong thing to her, which was, 'Your friend Katy is sitting in the corner and there's plenty of room around her.'"

The 48-year-old recalled how Tay then offered up a super shady response, allegedly asking: